The use of cement bound material (CBM) roadbases in flexible composite pavements in the United Kingdom is limited by the reflective cracking that occurs due to thermal shrinkage. Inducing cracks ...

A disproportionate number of road accidents occur at night relative to the number of road trips completed during periods of darkness. Actively illuminated road studs offer greater visibility than ...

Reflecting on the past year, the impact of TRL’s mission is clear to see; it helps to take a different perspective in order to appreciate it. Let’s begin in space. The European Space Agency has funded ...

The increasing size and power of construction plant and its potential to dissipate intrusive or possibly damaging levels of vibration into the environment, coupled with increasing attention being ...

This study aimed to assess the impact of interacting with two infotainment systems, Android Auto and Apple CarPlay, on four driver performance measures: reaction time, driving behaviour, eyes-off road ...

The most effective forms of traffic calming measure usually involve some degree of vertical deflection. Road humps have proven to be highly effective at reducing vehicle speeds, but discomfort to ...

Currently, during automated vehicle trials there are two personnel present within each test vehicle: the Safety Driver and the Test Assistant. This summary report presents recommendations on how to ...

Roads in non-built-up areas account for only 9% of all cyclist casualties, but almost one half (45%) of all cyclist deaths. The reasons for this imbalance are examined, paying particular attention to ...

As well as assisting with policy, and planning for road casualty reduction on local roads, TRL has a range of technical support services to deliver efficiencies when police are required to report on ...

The Department for Transport's draft Accessibility Action Plan contained a commitment to commission research to review two sets of Departmental guidance, with the aim of understanding how they need to ...

This report is co-authored by leading UK road safety experts from organisations including TRL and leading charities, including Brake, the road safety charity, the Parliamentary Advisory Council for ...

Author: TRL: Annabel Knightley, Alice Holcombe, Bharti Gupta, George Beard, Jack Hitchings, Joe Forrest. RiDC: Eric Harris, Hayley Dawson, Indigo Ayling, Naomi Care This report is a supplement to the ...